1 definition by ATrueLol

A random word to call someone to confuse them so they have to go onto urban dictionary to find out it's just this.
Becky: omg you are such a flef!
Ken: a what?

Becky: a flef
Ken: ( pulls up urban dictionary) goddamnit Becky
by ATrueLol August 21, 2017
Get the Flef mug.